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Finding the Fourth Proportional to 684,241.50, 944,282.43 and 382,435.50

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Solution

The fourth proportional to 684,241.50, 944,282.43 and 382,435.50 is: 527,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,241.50 : 944,282.43 = 382,435.50 : x
  2. Step 2: Convert to fraction form
    684,241.50/944,282.43 = 382,435.50/x
  3. Step 3: Cross multiply
    684,241.50x = 944,282.43 × 382,435.50
  4. Step 4: Simplify right side
    684,241.50x = 361,127,123,258.27
  5. Step 5: Solve for x
    x = 361,127,123,258.27/684,241.50
  6. Step 6: Final answer
    x = 527,777.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.